Question

Simplify -12-[-8-9-{-7+(-9+4)+5}+4]

Answer 1

Answer:

-42

Step-by-step explanation:

-12-[-8-9-{-7+13+5}+4]

-12-[-8-9(-25)

-12-[-8-9+25+4]

-12-[-8-9+29]

-12-[-8-38]

-12-(-30)

-12+30

-18

Answer 2

$\huge\boxed{Question}$

$- 12[ - 8 - 9 - { - 7 + ( - 9 + 4) + 5} + 4 ]$

$\huge\boxed{Answer}$

$\boxed{72} \: is \: your \: answer$

$\huge\boxed{Step-by-step-explanation}$

$- 12[ - 8 - 9 - { - 7 + ( - 9 + 4) + 5} + 4 ]$

$= - 12[ - 17 - { - 7 - 5 + 5} + 4]$

$= - 12[ - 17 + 7 + 4]$

$= - 12[ - 10 + 4]$

$= - 12[ - 6]$

$= \boxed{72}$